Home / 124,546.98-171,878.60-70,839.72

Finding the Fourth Proportional to 124,546.98, 171,878.60 and 70,839.72

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Solution

The fourth proportional to 124,546.98, 171,878.60 and 70,839.72 is: 97,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,546.98 : 171,878.60 = 70,839.72 : x
  2. Step 2: Convert to fraction form
    124,546.98/171,878.60 = 70,839.72/x
  3. Step 3: Cross multiply
    124,546.98x = 171,878.60 × 70,839.72
  4. Step 4: Simplify right side
    124,546.98x = 12,175,831,897.99
  5. Step 5: Solve for x
    x = 12,175,831,897.99/124,546.98
  6. Step 6: Final answer
    x = 97,760.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.